RX01 Bootstrap Loader

From: Megan <mbg_at_world.std.com>
Date: Sat Feb 12 20:25:52 2000

>I have been able to boot XXDP on the PDP-11/20, no problems... but..
>(here is where I have a problem)

>I know the PDP-11/20 is booting RT-11v3.0B as it loads for about 20
>seconds.... problem is I don't get anything on the teletype. When booted,
>RT11 is waiting for keyboard input but does not read mine.

Taken with what you mentioned elsewhere in the message, I suspect that
XXDP does PIO while RT uses interrupt-driven IO, and without the other
interrupt working, it won't work. I have an idea of how it could be made
to, though... contact me off-line...

                                        Megan Gentry
                                        Former RT-11 Developer

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| Megan Gentry, EMT/B, PP-ASEL | Internet (work): gentry!zk3.dec.com |
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Received on Sat Feb 12 2000 - 20:25:52 GMT

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